-er a-a aaa aae aam aan aao aar aea aee aem aen aeo aer ama ame amm amn amo amr an- ana ane anm ann ano anr aoa aoe aom aon aoo aor ar- ara are arm arn aro arr eaa eae eam ean eao ear eea eee eem een eeo eer em- ema eme emm emn emo emr en- ena ene enm enn eno enr eo- eoa eoe eom eon eoo eor era ere erm ern ero err m-o m-r maa mae mam man mao mar mea mee mem men meo mer mma mme mmm mmn mmo mmr mna mne mnm mnn mno mnr moa moe mom mon moo mor mra mre mrm mrn mro mrr naa nae nam nan nao nar ne- nea nee nem nen neo ner nma nme nmm nmn nmo nmr nna nne nnm nnn nno no- noa noe nom non noo nor nra nre nrm nrn nro nrr oaa oae oam oan oao oar oea oee oem oen oeo oer om- oma ome omm omn omo omr on- ona one onn ono onr oo- ooa oom oon ooo oor or- ora ore orm orn oro orr ra- raa rae ram ran rao rar re- rea ree rem ren reo rer rma rme rmm rmn rmo rmr rna rnm rnn rno rnr roa roe rom ron roo ror rra rrm rrn rrr